In another bowl add besan, rice flour,salt ,baking soda,oil mix well with fingers.

Now add the onions mixture mix well if need sprinkle some water and mix well that it forms a hard batter.Don't add too much water.

Heat enough oil in deep frying pan.It should be piping hot.Use your gingers to drop the batter in the oil to form small fritters.Reduce heat to medium and deep fry till they turn golden brown.Use a ladle to keep turning the fritters so that it cooks on all sides.

Once they turn golden brown,remove them on to absorbent paper.Store in air tight container.